Drip chamber spike



FIG. 1 is a perspective view of a drip chamber spike in accordance with my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view thereof, taken from the right side of FIG. 3, it being understood that the left side is symmetrical therewith;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a bottom view thereof. 

The ornamental design for a drip chamber spike, as shown and described. 